138697836075153474018

Names of 138697836075153474018

• Cardinal: 138697836075153474018 can be written as One hundred thirty-eight quintillion, six hundred ninety-seven quadrillion, eight hundred thirty-six trillion, seventy-five billion, one hundred fifty-three million, four hundred seventy-four thousand and eighteen.

Scientific notation

• Scientific notation: 1.38697836075153474018 × 10²⁰

Factors of 138697836075153474018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 14679818399

Divisors of 138697836075153474018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 113 226 339 678 811 1622 2433 4866 17183 34366 51549 91643 103098 183286 274929 549858 1941679 3883358 5825037 11650074 13935413 27870826 41806239 83612478 1574701669 3149403338 4724105007 9448210014 14679800287 29359600574 44039400861 88078801722 1658817432431 3317634864862 4976452297293 9952904594586 11905318032757 23810636065514 35715954098271 71431908196542 252243008331521 504486016663042 756729024994563 1345300937701541 1513458049989126 2690601875403082 4035902813104623 8071805626209246 28503459941461873 57006919882923746 85510379824385619 171020759648771238 204569079756863531 409138159513727062 613707239270590593 1227414478541181186 23116306012525579003 46232612025051158006 69348918037576737009 138697836075153474018
• Sum of all divisors σ(n): 280211876118910697472
• Sum of proper divisors (its aliquot sum) s(n): 141514040043757223454
• 138697836075153474018 is an abundant number, because the sum of its proper divisors (141514040043757223454) is greater than itself. Its abundance is 2816203968603749436

Bases of 138697836075153474018

• Binary: 1111000010011010001101100110000111011000110111000011100000111100010₂
• Hexadecimal: 0x784D1B30EC6E1C1E2
• Base-36: T9REFJ2XWEWV6

Squares and roots of 138697836075153474018

• 138697836075153474018 squared (138697836075153474018²) is 19237089731930144434005694752974201064324
• 138697836075153474018 cubed (138697836075153474018³) is 2668142718202265259514581368626110547732321150775981680733832
• The square root of 138697836075153474018 is 11777004545.9426343053
• The cube root of 138697836075153474018 is 5176345.1715614183

Scales and comparisons

• 138,697,836,075,153,474,018 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,697,836,075,153,474,018 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138697836075153474018 cubic inches would be around 431362.1 feet tall.

Recreational maths with 138697836075153474018

• 138697836075153474018 backwards is 810474351570638796831
• The number of decimal digits it has is: 21
• The sum of 138697836075153474018's digits is 96
• More coming soon!